49.07% is the change from 161 to 240
Calculation steps:
[( 240 - 161 ) ÷ 161] x 100 = 49.07%
Formula
Percentage change = [(240 - 161) / 161] x 100
Subtract the new number by the original number
240 - 161 = 79
79 ÷ 161 = 0.4906832298136646
0.4906832298136646 x 100 = 49.07%